<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <CASH> 1,274,682 <SECURITIES> 0 <RECEIVABLES> 526,125 <ALLOWANCES> 15,000 <INVENTORY> 0 <CURRENT-ASSETS> 1,785,807 <PP&E> 21,902,500 <DEPRECIATION> 17,777,323 <TOTAL-ASSETS> 5,910,984 <CURRENT-LIABILITIES> 602,934 <BONDS> 708,606 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 4,599,444 <TOTAL-LIABILITY-AND-EQUITY> 5,910,984 <SALES> 724,023 <TOTAL-REVENUES> 817,373 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 481,970 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 13,318 <INCOME-PRETAX> 322,085 <INCOME-TAX> 0 <INCOME-CONTINUING> 322,085 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 322,085 <EPS-PRIMARY> 0 <EPS-DILUTED> 0